2022-08-17 13:08:26

by Krzysztof Kozlowski

[permalink] [raw]
Subject: [RFT PATCH v2 14/14] arm64: dts: qcom: sm8150: switch TCSR mutex to MMIO

The TCSR mutex bindings allow device to be described only with address
space (so it uses MMIO, not syscon regmap). This seems reasonable as
TCSR mutex is actually a dedicated IO address space and it also fixes DT
schema checks:

qcom/sm8150-mtp.dtb: hwlock: 'reg' is a required property
qcom/sm8150-mtp.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <[email protected]>
---
arch/arm64/boot/dts/qcom/sm8150.dtsi | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index 7d509ecd44da..dc6770391813 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -585,12 +585,6 @@ scm: scm {
};
};

- tcsr_mutex: hwlock {
- compatible = "qcom,tcsr-mutex";
- syscon = <&tcsr_mutex_regs 0 0x1000>;
- #hwlock-cells = <1>;
- };
-
memory@80000000 {
device_type = "memory";
/* We expect the bootloader to fill in the size */
@@ -2054,9 +2048,10 @@ ipa_virt: interconnect@1e00000 {
qcom,bcm-voters = <&apps_bcm_voter>;
};

- tcsr_mutex_regs: syscon@1f40000 {
- compatible = "syscon";
- reg = <0x0 0x01f40000 0x0 0x40000>;
+ tcsr_mutex: hwlock@1f40000 {
+ compatible = "qcom,tcsr-mutex";
+ reg = <0 0x01f40000 0 0x20000>;
+ #hwlock-cells = <1>;
};

remoteproc_slpi: remoteproc@2400000 {
--
2.34.1


2022-08-17 21:29:20

by Konrad Dybcio

[permalink] [raw]
Subject: Re: [RFT PATCH v2 14/14] arm64: dts: qcom: sm8150: switch TCSR mutex to MMIO



On 17.08.2022 15:03, Krzysztof Kozlowski wrote:
> The TCSR mutex bindings allow device to be described only with address
> space (so it uses MMIO, not syscon regmap). This seems reasonable as
> TCSR mutex is actually a dedicated IO address space and it also fixes DT
> schema checks:
>
> qcom/sm8150-mtp.dtb: hwlock: 'reg' is a required property
> qcom/sm8150-mtp.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'
>
> Signed-off-by: Krzysztof Kozlowski <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 13 ++++---------
> 1 file changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index 7d509ecd44da..dc6770391813 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -585,12 +585,6 @@ scm: scm {
> };
> };
>
> - tcsr_mutex: hwlock {
> - compatible = "qcom,tcsr-mutex";
> - syscon = <&tcsr_mutex_regs 0 0x1000>;
> - #hwlock-cells = <1>;
> - };
> -
> memory@80000000 {
> device_type = "memory";
> /* We expect the bootloader to fill in the size */
> @@ -2054,9 +2048,10 @@ ipa_virt: interconnect@1e00000 {
> qcom,bcm-voters = <&apps_bcm_voter>;
> };
>
> - tcsr_mutex_regs: syscon@1f40000 {
> - compatible = "syscon";
> - reg = <0x0 0x01f40000 0x0 0x40000>;
> + tcsr_mutex: hwlock@1f40000 {
> + compatible = "qcom,tcsr-mutex";
> + reg = <0 0x01f40000 0 0x20000>;
> + #hwlock-cells = <1>;
> };
No replacement for the trailing 0x20000?

Konrad
>
> remoteproc_slpi: remoteproc@2400000 {

2022-08-18 07:20:17

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: [RFT PATCH v2 14/14] arm64: dts: qcom: sm8150: switch TCSR mutex to MMIO

On 18/08/2022 00:07, Konrad Dybcio wrote:
>
>
> On 17.08.2022 15:03, Krzysztof Kozlowski wrote:
>> The TCSR mutex bindings allow device to be described only with address
>> space (so it uses MMIO, not syscon regmap). This seems reasonable as
>> TCSR mutex is actually a dedicated IO address space and it also fixes DT
>> schema checks:
>>
>> qcom/sm8150-mtp.dtb: hwlock: 'reg' is a required property
>> qcom/sm8150-mtp.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'
>>
>> Signed-off-by: Krzysztof Kozlowski <[email protected]>
>> ---
>> arch/arm64/boot/dts/qcom/sm8150.dtsi | 13 ++++---------
>> 1 file changed, 4 insertions(+), 9 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> index 7d509ecd44da..dc6770391813 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>> @@ -585,12 +585,6 @@ scm: scm {
>> };
>> };
>>
>> - tcsr_mutex: hwlock {
>> - compatible = "qcom,tcsr-mutex";
>> - syscon = <&tcsr_mutex_regs 0 0x1000>;
>> - #hwlock-cells = <1>;
>> - };
>> -
>> memory@80000000 {
>> device_type = "memory";
>> /* We expect the bootloader to fill in the size */
>> @@ -2054,9 +2048,10 @@ ipa_virt: interconnect@1e00000 {
>> qcom,bcm-voters = <&apps_bcm_voter>;
>> };
>>
>> - tcsr_mutex_regs: syscon@1f40000 {
>> - compatible = "syscon";
>> - reg = <0x0 0x01f40000 0x0 0x40000>;
>> + tcsr_mutex: hwlock@1f40000 {
>> + compatible = "qcom,tcsr-mutex";
>> + reg = <0 0x01f40000 0 0x20000>;
>> + #hwlock-cells = <1>;
>> };
> No replacement for the trailing 0x20000?
>

There is no user of it, so I did not add. I could add remaining block
just for completeness.


Best regards,
Krzysztof

2022-08-18 12:25:52

by Konrad Dybcio

[permalink] [raw]
Subject: Re: [RFT PATCH v2 14/14] arm64: dts: qcom: sm8150: switch TCSR mutex to MMIO



On 18.08.2022 09:04, Krzysztof Kozlowski wrote:
> On 18/08/2022 00:07, Konrad Dybcio wrote:
>>
>>
>> On 17.08.2022 15:03, Krzysztof Kozlowski wrote:
>>> The TCSR mutex bindings allow device to be described only with address
>>> space (so it uses MMIO, not syscon regmap). This seems reasonable as
>>> TCSR mutex is actually a dedicated IO address space and it also fixes DT
>>> schema checks:
>>>
>>> qcom/sm8150-mtp.dtb: hwlock: 'reg' is a required property
>>> qcom/sm8150-mtp.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'
>>>
>>> Signed-off-by: Krzysztof Kozlowski <[email protected]>
>>> ---
>>> arch/arm64/boot/dts/qcom/sm8150.dtsi | 13 ++++---------
>>> 1 file changed, 4 insertions(+), 9 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>>> index 7d509ecd44da..dc6770391813 100644
>>> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
>>> @@ -585,12 +585,6 @@ scm: scm {
>>> };
>>> };
>>>
>>> - tcsr_mutex: hwlock {
>>> - compatible = "qcom,tcsr-mutex";
>>> - syscon = <&tcsr_mutex_regs 0 0x1000>;
>>> - #hwlock-cells = <1>;
>>> - };
>>> -
>>> memory@80000000 {
>>> device_type = "memory";
>>> /* We expect the bootloader to fill in the size */
>>> @@ -2054,9 +2048,10 @@ ipa_virt: interconnect@1e00000 {
>>> qcom,bcm-voters = <&apps_bcm_voter>;
>>> };
>>>
>>> - tcsr_mutex_regs: syscon@1f40000 {
>>> - compatible = "syscon";
>>> - reg = <0x0 0x01f40000 0x0 0x40000>;
>>> + tcsr_mutex: hwlock@1f40000 {
>>> + compatible = "qcom,tcsr-mutex";
>>> + reg = <0 0x01f40000 0 0x20000>;
>>> + #hwlock-cells = <1>;
>>> };
>> No replacement for the trailing 0x20000?
>>
>
> There is no user of it, so I did not add. I could add remaining block
> just for completeness.

Please do, maybe even in a separate patch so as not to resend the entire
series needlessly.

Konrad
>
>
> Best regards,
> Krzysztof